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Windows 7: Strange start up problems.

About two weeks ago I saw a message pop up stating that there was a problem with a USB device.I missed the details but when I tried to print something and had hassle I assumed that it was my printer at fault.I spent hours trying to get it to work, uninstalling it, reinstalling, removing drivers, reinstalling.The best I got was the printer doing as it should do but in spaced out stages.It would move the print head, pause, grab the paper, pause, print a bit pause, until eventually it printed the document.I tried system restore and the printer worked fine.Then I had the same sort of trouble booting the computer.I would switch on and get my usual black screen with a cursor in the top left then sometimes it would show the Dell BIOS screen and sometimes not, then take an age to get to the info screen telling me what drives I had etc, then it would take an age to get to the windows user screen.All seems to be fine once Iím in but now the printer has gone back to go slow.Iíve scanned for malware but as the trouble is before windows 7 boots I canít see it being that.Iíve used the windows utility to test the HDD and there are no problems there.Iíve tested my RAM, it passed.This morning I turned on the comp and it hung at the BIOS screen so had to reboot.This time I got a strange graphic type flash then the part where the red, blue and green logo of windows 7 swirls about was at the top and bottom of my screen, large and blurry.Once at the users screen all was well??Is my mobo dying?Cheers.

It certainly sounds like a piece of hardware is causing the PC to have trouble booting. Can you let us know how you tested your HDD and your RAM please? Also do you have a dedicated GPU or are you using integrated graphics?

Have you tried booting into Safe Mode to see if that has problems? If not could you try that and let us know how that works please.

I have (I hope) attached a file that I copied from the Dell website.
Apparently this is my current set up.
I don't know if this gives you all you need to know.
If you like I can post the Dell test results (see below) as well.
I have also ran a full check via the Dell web site that tests all my hardware, peripherals etc.
All tests passed apart from one USB device which is an old web cam that doesn't have any drivers available for 7.
This has been attached for many months.
I haven't had chance to try the safe mode yet but I will now.
Cheers.

Really we could do with knowing whether you have integrated graphics, for that we'd need your motherboard make/model. You can obtain this by downloading Piriform Speccy, run it and will give you the information. The reason I'm asking this is to establish whether you can temporarily uninstall your graphics card and switch to the integrated graphics, just to rule the card out.

Spec below.
Other stuff happening.
Internet explorer is saying more and more that it has had a problem, though I have heard that there is grief with security regarding IE at the mo, perhaps just coincidence.
Each time I start up it seems to do it differently.
F8 will not happen, goes to a black screen with the cursor flashing top left.
Makes loads of beeps that represents the amount of time I've held F8 down.
I've noticed I don't get a POST beep, thought it may have been dodgy speaker but the beeps from the keyboard discount that.
I unplugged a USB hub and the computer froze, had to do a hard reboot.
It's all working again now but I have little doubt that there will be other ghostly happenings to report
Thanks thus far.

Cooling Corsair H75 liquid cooler (Very easy to install, actually) Hard Drives (1) WDC WD5000AAKS-00D2B0 ATA Device (2) Seagate FreeAgent Go 250G USB Device Internet Speed 60M cable modem-->Linksys E1200-->1Gbps net card Browser Chrome Other Info This is probably the longest I've ever had a Windows machine run without having to restore it to scratch. I'm used to restoring to "factory" about every 2 yrs. I've run with Win7 since new in 2009 and only recently (Nov, '14) restored to clean up the machine from all my 'xperimenting. LOL!! I may never need another machine.
Upgraded to 10 when it was still free, then installed 2017 update.

Strange start up problems.

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